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2158214850060 = 2235139534748397
BaseRepresentation
bin11111011001111111101…
…000010010011000001100
321122022201200222222121120
4133121333220102120030
5240330011000200220
64331245322200540
7311632401353343
oct37317750223014
97568650888546
102158214850060
11762326022415
122aa339953150
13128698a10249
147665b274b5a
153b217d96a40
hex1f67fa1260c

2158214850060 has 96 divisors (see below), whose sum is σ = 6087740494080. Its totient is φ = 571264835328.

The previous prime is 2158214850037. The next prime is 2158214850079. The reversal of 2158214850060 is 600584128512.

It is a junction number, because it is equal to n+sod(n) for n = 2158214849994 and 2158214850021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44569782 + ... + 44618178.

It is an arithmetic number, because the mean of its divisors is an integer number (63413963480).

Almost surely, 22158214850060 is an apocalyptic number.

2158214850060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2158214850060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3043870247040).

2158214850060 is an abundant number, since it is smaller than the sum of its proper divisors (3929525644020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2158214850060 is a wasteful number, since it uses less digits than its factorization.

2158214850060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53895 (or 53893 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

Adding to 2158214850060 its reverse (600584128512), we get a palindrome (2758798978572).

The spelling of 2158214850060 in words is "two trillion, one hundred fifty-eight billion, two hundred fourteen million, eight hundred fifty thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 5347 8340 10694 16041 21388 26735 32082 48397 53470 64164 80205 96794 106940 145191 160410 193588 241985 290382 320820 483970 580764 725955 743233 967940 1451910 1486466 2229699 2903820 2972932 3716165 4459398 6727183 7432330 8918796 11148495 13454366 14864660 20181549 22296990 26908732 33635915 40363098 44593980 67271830 80726196 100907745 134543660 201815490 258778759 403630980 517557518 776336277 1035115036 1293893795 1552672554 2587787590 3105345108 3881681385 5175575180 7763362770 15526725540 35970247501 71940495002 107910742503 143880990004 179851237505 215821485006 359702475010 431642970012 539553712515 719404950020 1079107425030 2158214850060